Vienna  - Shares traded on the Vienna stock exchange fell by 3.9 per cent in the first hour of trading Monday, following the news that the US investment bank Lehman Brothers was bankrupt.

Erste Group Bank AG and Raiffeisen International Bank-Holding AG both lost more than 4 per cent.

Shares of machinery and construction-related businesses also plunged.

Andritz AG, a leading plant engineering company that receives 12 per cent of its revenue from North America, was down 4.5 per cent.

Construction group Strabag SE dropped by more than 4 per cent. (dpa)